Denarius - Septimius Severus (P M TR P XVIII COS III P P; Neptune)
Obverse
Head of Septimius Severus, laureate, right.
Lettering: SEVERVS PIVS AVG
Reverse
Neptune, naked except for cloak over left shoulder and right arm, standing left, right foot set on globe, holding trident in left hand.
Lettering: P M TR P XVIII COS III P P
Technical Details
Obverse Lettering
SEVERVS PIVS AVG
Reverse Lettering
P M TR P XVIII COS III P P
Comments
Mass varies: 2.92–3.44 g;
Diameter varies: 18.9–20 mm;
Example of this type:
American Numismatic Society (ANS)
Source:
Online Coins of the Roman Empire (OCRE)